diff options
Diffstat (limited to 'textadapter.py')
| -rw-r--r-- | textadapter.py | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/textadapter.py b/textadapter.py index 2e96447..a6cef2b 100644 --- a/textadapter.py +++ b/textadapter.py @@ -9,6 +9,8 @@ import threading from sugar import mime from sugar.graphics import style +import speech + PAGE_SIZE = 38 @@ -59,6 +61,14 @@ class TextViewer(gobject.GObject): self.highlight_tag.set_property('foreground', 'black') self.highlight_tag.set_property('background', 'yellow') + # text to speech initialization + self.current_word = 0 + self.word_tuples = [] + self.spoken_word_tag = self.textview.get_buffer().create_tag() + self.spoken_word_tag.set_property('weight', pango.WEIGHT_BOLD) + self.normal_tag = self.textview.get_buffer().create_tag() + self.normal_tag.set_property('weight', pango.WEIGHT_NORMAL) + def load_document(self, file_path): file_name = file_path.replace('file://', '') @@ -94,6 +104,8 @@ class TextViewer(gobject.GObject): self._pagecount = pagecount + 1 self.set_current_page(0) + speech.highlight_cb = self.highlight_next_word + def _show_page(self, page_number): position = self.page_index[page_number] self._etext_file.seek(position) @@ -110,6 +122,7 @@ class TextViewer(gobject.GObject): textbuffer = self.textview.get_buffer() label_text = label_text + '\n\n\n' textbuffer.set_text(label_text) + self._prepare_text_to_speech(label_text) def can_highlight(self): return True @@ -138,6 +151,62 @@ class TextViewer(gobject.GObject): def connect_page_changed_handler(self, handler): self.connect('page-changed', handler) + def can_do_text_to_speech(self): + return True + + def get_marked_words(self): + "Adds a mark between each word of text." + i = self.current_word + marked_up_text = '<speak> ' + while i < len(self.word_tuples): + word_tuple = self.word_tuples[i] + marked_up_text = marked_up_text + '<mark name="' + str(i) + '"/>' \ + + word_tuple[2] + i = i + 1 + print marked_up_text + return marked_up_text + '</speak>' + + def _prepare_text_to_speech(self, page_text): + i = 0 + j = 0 + word_begin = 0 + word_end = 0 + ignore_chars = [' ', '\n', u'\r', '_', '[', '{', ']', '}', '|', + '<', '>', '*', '+', '/', '\\'] + ignore_set = set(ignore_chars) + self.word_tuples = [] + len_page_text = len(page_text) + while i < len_page_text: + if page_text[i] not in ignore_set: + word_begin = i + j = i + while j < len_page_text and page_text[j] not in ignore_set: + j = j + 1 + word_end = j + i = j + word_tuple = (word_begin, word_end, + page_text[word_begin: word_end]) + if word_tuple[2] != u'\r': + self.word_tuples.append(word_tuple) + i = i + 1 + + def highlight_next_word(self, word_count): + if word_count < len(self.word_tuples): + word_tuple = self.word_tuples[word_count] + textbuffer = self.textview.get_buffer() + iterStart = textbuffer.get_iter_at_offset(word_tuple[0]) + iterEnd = textbuffer.get_iter_at_offset(word_tuple[1]) + bounds = textbuffer.get_bounds() + textbuffer.apply_tag(self.normal_tag, bounds[0], iterStart) + textbuffer.apply_tag(self.spoken_word_tag, iterStart, iterEnd) + v_adjustment = self._scrolled.get_vadjustment() + max = v_adjustment.upper - v_adjustment.page_size + max = max * word_count + max = max / len(self.word_tuples) + v_adjustment.value = max + self.current_word = word_count + return True + def load_metadata(self, activity): pass |